This book compiles various recent advancements in engineering research. Chapter One deals with the important research problem of electric current processing and treatment of melts for increasing quality indicators of the produced castings. Chapter Two describes the use of computational fluid dynamics techniques to assess and design intensified distillation systems. Chapter Three examines machine learning opportunities for emerging memory and computing devices discovery. Lastly, Chapter Four details a case study in which an application of different approaches to missing data for short-term electric load forecasting by using an advanced gene expression programming algorithm is comprehensively introduced.